As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:ETOP EICAS MESSAGE ANTI-ICE DISPLAYED AND ENGINE ANTI-ICE VALVE LIGHT REMAINED ILLUMINATED WITH SWITCH SELECTED ON TO OFF. REMOVED AND REPLACED ANTI-ICE VALVE. OPS CHK WITH ENG RUNNING AND LEAK CHK DONE SATISFACTORY. NO LEAK REF B767 AMM 30-21-03/401.